Home / 9,518.24-13,135.21-5,269.59

Finding the Fourth Proportional to 9,518.24, 13,135.21 and 5,269.59

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Solution

The fourth proportional to 9,518.24, 13,135.21 and 5,269.59 is: 7,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.24 : 13,135.21 = 5,269.59 : x
  2. Step 2: Convert to fraction form
    9,518.24/13,135.21 = 5,269.59/x
  3. Step 3: Cross multiply
    9,518.24x = 13,135.21 × 5,269.59
  4. Step 4: Simplify right side
    9,518.24x = 69,217,158.09
  5. Step 5: Solve for x
    x = 69,217,158.09/9,518.24
  6. Step 6: Final answer
    x = 7,272.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.